<%@ page contentType="text/html; charset=UTF-8" %><% request.setCharacterEncoding("UTF-8"); %><%     int su1 = Integer.parseInt(request.getParameter("su1"));    int su2 = Integer.parseInt(request.getParameter("su2"));    String oper = request.getParameter("oper");        %><jsp:useBean id="ob" class="com.test.Calc" scope="page"/><jsp:setProperty property="su1" name="ob" value="<%=su1 %>"/><jsp:setProperty property="su2" name="ob" value="<%=su2 %>"/><jsp:setProperty property="oper" name="ob" value="<%=oper %>"/><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title></head><body><%=ob.result() %></body></html>